package com.yuwei.paymentdemo.vo;

import lombok.Data;
import lombok.experimental.Accessors;

import java.util.HashMap;
import java.util.Map;

/**
 * 定义返回统一结果
 */
@Data
@Accessors(chain = true) // 让R对象可以进行链式操作
public class R {
    private Integer code;//响应码
    private String message;//响应消息
    private Map<String, Object> data = new HashMap<>();

    public static R ok() {
        R r = new R();
        r.setCode(0);
        r.setMessage("成功");
        return r;
    }

    public static R error() {
        R r = new R();
        r.setCode(-1);
        r.setMessage("失败");
        return r;
    }

    public R data(String key, Object val) {
        this.data.put(key, val);
        return this;
    }
}
